/* ============ RESET & VARIABLES - STUDIO DARK THEME ============ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    overflow-x: hidden;
    width: 100%;
}

body {
    font-family: 'Plus Jakarta Sans', 'Inter', sans-serif;
    background: #0B0D10;
    color: #E9EEF5;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    width: 100%;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 30%, rgba(64,224,255,0.03) 0%, transparent 45%),
                radial-gradient(circle at 80% 70%, rgba(64,224,255,0.03) 0%, transparent 45%);
    pointer-events: none;
    z-index: 0;
}

main {
    flex: 1;
    position: relative;
    z-index: 1;
    width: 100%;
}

:root {
    --primary: #40E0FF;
    --primary-dark: #00B8D4;
    --primary-light: rgba(64,224,255,0.15);
    --primary-glow: rgba(64,224,255,0.25);
    --warning: #FFB74D;
    --danger: #FF5252;
    --success: #4CAF50;
    --surface-0: #0B0D10;
    --surface-1: #151A21;
    --surface-2: #1E2630;
    --surface-3: #273140;
    --text-primary: #E9EEF5;
    --text-secondary: #C0C8D2;
    --text-tertiary: #9AA5B5;
    --text-muted: #6B7A8F;
    --border: #273140;
    --shadow-sm: 0 4px 12px rgba(0,0,0,0.5);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.6);
    --shadow-lg: 0 16px 32px rgba(0,0,0,0.7);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --transition: all 0.2s cubic-bezier(0.4,0,0.2,1);
    --cyan-gradient: linear-gradient(135deg, #40E0FF, #00B8D4);
    --status-online: #4CAF50;
    --status-offline: #6B7A8F;
}

.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--cyan-gradient);
    z-index: 2000;
    transition: width 0.1s ease;
}

.skip-to-content {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--cyan-gradient);
    color: #0B0D10;
    padding: 8px 16px;
    text-decoration: none;
    border-radius: 0 0 8px 0;
    font-weight: 600;
    z-index: 1001;
    transition: top 0.3s;
}
.skip-to-content:focus { top: 0; }

#toast {
    position: fixed;
    bottom: 16px;
    left: 16px;
    right: 16px;
    transform: translateY(80px);
    background: var(--cyan-gradient);
    color: #0B0D10;
    padding: 14px 20px;
    border-radius: 40px;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 9999;
    transition: transform 0.3s ease;
    max-width: 90%;
    margin: 0 auto;
    text-align: center;
    justify-content: center;
}
@media (min-width: 768px) {
    #toast { left: 50%; right: auto; transform: translateX(-50%) translateY(80px); min-width: 300px; white-space: nowrap; }
    #toast.show { transform: translateX(-50%) translateY(0); }
}
#toast.show { transform: translateY(0); }

.back-to-top {
    position: fixed;
    bottom: 80px;
    right: 16px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--cyan-gradient);
    color: #0B0D10;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 99;
    border: none;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}
.back-to-top:hover { transform: translateY(-5px) scale(1.1); box-shadow: var(--shadow-glow); }
.back-to-top.show { display: flex; }
@media (min-width: 768px) { .back-to-top { right: 24px; bottom: 24px; } }

/* Header Styles */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(11,13,16,0.98);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    width: 100%;
}
.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 8px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    flex-wrap: wrap;
}
.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}
.logo-link {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}
.logo-icon {
    width: 36px; height: 36px;
    background: var(--cyan-gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0B0D10;
    font-size: 1.1rem;
    transition: var(--transition);
}
.logo-link:hover .logo-icon { transform: rotate(5deg) scale(1.05); }
.brand-name {
    font-size: 1.2rem;
    font-weight: 800;
    color: #E9EEF5;
    letter-spacing: -0.3px;
    white-space: nowrap;
}
.brand-name span { color: #40E0FF; }
.slogan-badge {
    display: none;
    background: rgba(64,224,255,0.1);
    color: #40E0FF;
    font-size: 0.6rem;
    padding: 4px 8px;
    border-radius: 30px;
    border: 1px solid var(--border);
    align-items: center;
    gap: 4px;
}
@media (min-width:480px) { .slogan-badge { display: inline-flex; } }

.nav-desktop { display: none; }
@media (min-width: 1024px) {
    .nav-desktop {
        display: flex;
        align-items: center;
        gap: 2px;
        margin: 0 auto;
        padding: 4px;
        background: rgba(21,26,33,0.6);
        border-radius: 60px;
        border: 1px solid var(--border);
        backdrop-filter: blur(8px);
    }
    .nav-link {
        color: #9AA5B5;
        text-decoration: none;
        font-size: 0.8rem;
        font-weight: 500;
        padding: 6px 12px;
        border-radius: 40px;
        display: inline-flex;
        align-items: center;
        gap: 4px;
        border: 1px solid transparent;
        transition: var(--transition);
    }
    .nav-link i { font-size: 0.75rem; color: #6B7A8F; }
    .nav-link:hover {
        color: #40E0FF;
        background: rgba(64,224,255,0.1);
        border-color: rgba(64,224,255,0.2);
        transform: translateY(-1px);
    }
    .nav-dropdown { position: relative; }
    .dropdown-menu {
        position: absolute;
        top: calc(100% + 8px);
        left: 50%;
        transform: translateX(-50%) translateY(10px);
        background: #151A21;
        border-radius: 16px;
        padding: 8px;
        min-width: 220px;
        box-shadow: var(--shadow-lg);
        border: 1px solid var(--border);
        opacity: 0;
        visibility: hidden;
        transition: all 0.2s;
        backdrop-filter: blur(12px);
        z-index: 100;
    }
    .nav-dropdown:hover .dropdown-menu {
        opacity: 1;
        visibility: visible;
        transform: translateX(-50%) translateY(0);
    }
    .dropdown-menu a {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 10px 16px;
        color: #9AA5B5;
        text-decoration: none;
        font-size: 0.8rem;
        border-radius: 10px;
    }
    .dropdown-menu a i { width: 20px; color: #40E0FF; }
    .dropdown-menu a:hover {
        background: rgba(64,224,255,0.1);
        color: #40E0FF;
        transform: translateX(4px);
    }
    .dropdown-group-title {
        font-size: 0.65rem;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        font-weight: 700;
        color: #40E0FF;
        padding: 8px 12px 4px;
        border-bottom: 1px solid var(--border);
    }
}

.action-buttons {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
    flex-wrap: wrap;
}
.tools-link {
    padding: 0 16px;
    border-radius: 40px;
    font-size: 0.8rem;
    font-weight: 600;
    background: var(--cyan-gradient);
    color: #0B0D10;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition);
    height: 44px;
    text-decoration: none;
}
.tools-link:hover { transform: translateY(-2px); }
.tools-link .link-text { display: none; }
@media (min-width:768px) { .tools-link .link-text { display: inline; } }

/* Auth Button Styles */
.auth-btn {
    padding: 0 18px;
    border-radius: 40px;
    font-size: 0.85rem;
    font-weight: 600;
    background: rgba(30,38,48,0.9);
    border: 1px solid rgba(64,224,255,0.3);
    color: #E9EEF5;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
    transition: all 0.3s;
    height: 44px;
    backdrop-filter: blur(4px);
}
.auth-btn i { font-size: 1rem; color: #40E0FF; }
.auth-btn span {
    background: linear-gradient(135deg, #E9EEF5, #C0C8D2);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.auth-btn:hover {
    background: linear-gradient(135deg, rgba(64,224,255,0.15), rgba(0,184,212,0.08));
    border-color: #40E0FF;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(64,224,255,0.25);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(30,38,48,0.9);
    border: 1px solid rgba(64,224,255,0.25);
    border-radius: 60px;
    padding: 4px 6px 4px 12px;
    transition: all 0.3s;
    height: 44px;
}
.user-profile:hover { border-color: #40E0FF; transform: translateY(-2px); }
.user-avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, #40E0FF, #00B8D4);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0B0D10;
    font-weight: 700;
}
.user-name {
    font-size: 0.9rem;
    font-weight: 600;
    background: linear-gradient(135deg, #E9EEF5, #C0C8D2);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    white-space: nowrap;
    max-width: 120px;
}
.sign-out-btn {
    width: 34px; height: 34px;
    border-radius: 50%;
    border: 1px solid rgba(255,82,82,0.3);
    background: rgba(255,82,82,0.08);
    color: #FF5252;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}
.sign-out-btn:hover { background: #FF5252; color: #0B0D10; transform: scale(1.08); }

.kofi-link {
    position: relative;
    width: 44px; height: 44px;
    border-radius: 50%;
    background: #1E2630;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    text-decoration: none;
    flex-shrink: 0;
}
.kofi-link:hover { transform: translateY(-3px) scale(1.05); border-color: #40E0FF; background: var(--cyan-gradient); }
.coffee-cup { position: relative; width: 20px; height: 20px; display: flex; justify-content: center; align-items: center; animation: cupFill 2s infinite alternate; }
.cup-body { position: relative; width: 16px; height: 14px; background: linear-gradient(135deg, #FFD700, #FFA500); border-radius: 0 0 8px 8px; }
.cup-handle { position: absolute; top: 2px; right: -4px; width: 4px; height: 7px; border: 2px solid #FFD700; border-left: none; border-radius: 0 4px 4px 0; }
@keyframes cupFill { 0% { transform: scaleY(1); } 100% { transform: scaleY(1.05); } }
.kofi-tooltip { position: absolute; bottom: -30px; left: 50%; transform: translateX(-50%) scale(0.8); background: var(--cyan-gradient); color: #0B0D10; font-size: 0.65rem; font-weight: 600; padding: 4px 10px; border-radius: 20px; white-space: nowrap; opacity: 0; visibility: hidden; transition: all 0.3s; pointer-events: none; }
.kofi-link:hover .kofi-tooltip { opacity: 1; visibility: visible; bottom: -40px; transform: translateX(-50%) scale(1); }

.mobile-menu-btn {
    width: 44px; height: 44px;
    border-radius: 50%;
    background: #1E2630;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #40E0FF;
    transition: var(--transition);
    flex-shrink: 0;
    cursor: pointer;
}
@media (min-width: 1024px) { .mobile-menu-btn { display: none; } }

.mobile-menu {
    position: fixed;
    top: 0; right: -100%;
    width: 300px; height: 100vh;
    background: #151A21;
    z-index: 1001;
    transition: right 0.3s;
    padding: 80px 20px 20px;
    border-left: 1px solid var(--border);
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}
.mobile-menu.active { right: 0; }
.mobile-menu-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; }
.mobile-menu-close {
    width: 40px; height: 40px;
    border-radius: 50%;
    background: #1E2630;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #40E0FF;
    cursor: pointer;
    transition: var(--transition);
}
.mobile-menu-close:hover { background: var(--cyan-gradient); color: #0B0D10; transform: rotate(90deg); }
.mobile-nav-links { display: flex; flex-direction: column; gap: 4px; }
.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    color: #9AA5B5;
    text-decoration: none;
    font-size: 0.95rem;
    border-radius: 12px;
    transition: var(--transition);
    min-height: 48px;
}
.mobile-nav-link i { width: 20px; color: #40E0FF; }
.mobile-nav-link:hover { background: rgba(64,224,255,0.1); color: #40E0FF; transform: translateX(5px); }
.mobile-nav-link.active { background: rgba(64,224,255,0.15); color: #40E0FF; font-weight: 600; }
.new-badge { margin-left: auto; font-size: 0.55rem; background: #40E0FF; color: #0B0D10; padding: 2px 6px; border-radius: 10px; }
.mobile-menu-overlay {
    position: fixed; top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(4px);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}
.mobile-menu-overlay.active { opacity: 1; visibility: visible; }

.back-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: #40E0FF;
    text-decoration: none;
    margin-bottom: 20px;
    padding: 12px 20px;
    background: #151A21;
    border-radius: 40px;
    border: 1px solid var(--border);
    transition: var(--transition);
    font-size: 0.85rem;
    width: 100%;
    min-height: 48px;
    font-weight: 600;
}
@media (min-width: 640px) { .back-link { width: fit-content; } }
.back-link:hover { background: rgba(64,224,255,0.1); transform: translateX(-4px); border-color: #40E0FF; }

.jump-dropdown-container {
    max-width: 800px;
    margin: 0 auto 20px;
    padding: 0 16px;
}
.jump-dropdown select {
    width: 100%;
    padding: 14px 18px;
    background: #1E2630;
    border: 1px solid var(--border);
    border-radius: 40px;
    color: #E9EEF5;
    font-size: 0.95rem;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2340E0FF' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 18px center;
    background-size: 16px;
    font-family: 'Inter', sans-serif;
}
.jump-dropdown select:focus { outline: none; border-color: #40E0FF; }

.container {
    max-width: 1400px;
    margin: 20px auto;
    padding: 0 16px;
}
@media (min-width: 768px) { .container { margin: 40px auto; padding: 0 24px; } }

.main-card {
    background: #151A21;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    padding: 24px 20px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 40px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
@media (min-width: 768px) { .main-card { padding: 48px; } }

.support-header { text-align: center; margin-bottom: 40px; }
.trust-badge-header {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(64,224,255,0.1);
    padding: 8px 16px;
    border-radius: 40px;
    border: 1px solid var(--border);
    font-size: 0.7rem;
    font-weight: 600;
    color: #40E0FF;
    margin-bottom: 20px;
}
@media (min-width:768px) { .trust-badge-header { padding: 8px 18px; font-size: 0.75rem; margin-bottom: 24px; } }

h1 {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
    color: #E9EEF5;
}
@media (min-width:480px) { h1 { font-size: 2.2rem; } }
@media (min-width:768px) { h1 { font-size: 2.8rem; letter-spacing: -1px; } }
h1 span {
    background: var(--cyan-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    color: #9AA5B5;
    margin-bottom: 30px;
    font-size: 0.95rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}
@media (min-width:768px) { .subtitle { font-size: 1rem; } }

.search-container { max-width: 600px; margin: 0 auto 40px; position: relative; }
.search-wrapper { position: relative; width: 100%; }
.search-icon { position: absolute; left: 18px; top: 50%; transform: translateY(-50%); color: #40E0FF; font-size: 1rem; pointer-events: none; }
.search-input {
    width: 100%;
    padding: 16px 24px 16px 50px;
    background: #1E2630;
    border: 2px solid var(--border);
    border-radius: 60px;
    color: #E9EEF5;
    font-size: 0.95rem;
    transition: var(--transition);
}
.search-input:focus { outline: none; border-color: #40E0FF; box-shadow: 0 0 0 3px rgba(64,224,255,0.2); }
.search-input::placeholder { color: #6B7A8F; font-size: 0.85rem; }
.search-clear {
    position: absolute;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #40E0FF;
    font-size: 1rem;
    cursor: pointer;
    display: none;
}
.search-clear.visible { display: block; }
.search-results-count { text-align: center; margin-top: 8px; font-size: 0.8rem; color: #6B7A8F; display: none; }
.search-results-count.show { display: block; }

.quick-help-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 40px;
}
@media (min-width: 480px) { .quick-help-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .quick-help-grid { grid-template-columns: repeat(4, 1fr); gap: 20px; } }
.quick-help-card {
    background: #1E2630;
    border-radius: var(--radius-lg);
    padding: 24px 16px;
    text-align: center;
    border: 1px solid var(--border);
    transition: var(--transition);
    text-decoration: none;
    color: #E9EEF5;
    display: block;
}
.quick-help-card:hover { transform: translateY(-4px); border-color: #40E0FF; box-shadow: var(--shadow-md); }
.quick-help-card i { font-size: 2rem; color: #40E0FF; margin-bottom: 12px; }
.quick-help-card h3 { font-size: 1rem; font-weight: 600; margin-bottom: 8px; color: #E9EEF5; }
.quick-help-card p { color: #9AA5B5; font-size: 0.8rem; margin: 0; }

.status-box {
    background: #1E2630;
    border-radius: var(--radius-lg);
    padding: 24px;
    margin: 40px 0;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 20px;
}
@media (min-width: 640px) { .status-box { flex-direction: row; align-items: center; justify-content: space-between; } }
.status-info { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.status-icon {
    width: 56px;
    height: 56px;
    background: rgba(76,175,80,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #4CAF50;
}
.status-text h3 { font-size: 1.1rem; margin-bottom: 4px; color: #E9EEF5; }
.status-text p { color: #9AA5B5; font-size: 0.85rem; }
.status-badge {
    padding: 8px 24px;
    background: rgba(76,175,80,0.1);
    border-radius: 40px;
    font-weight: 600;
    font-size: 0.85rem;
    color: #4CAF50;
    border: 1px solid #4CAF50;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}
.status-badge i { font-size: 0.5rem; color: #4CAF50; }
.status-timestamp { font-size: 0.7rem; color: #6B7A8F; margin-top: 4px; }

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 40px 0 24px;
    color: #E9EEF5;
    display: flex;
    align-items: center;
    gap: 12px;
    scroll-margin-top: 100px;
}
.section-title i { color: #40E0FF; font-size: 1.4rem; }

.faq-section { margin-bottom: 40px; }
details.faq-item {
    background: #1E2630;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    margin-bottom: 12px;
    transition: var(--transition);
}
details.faq-item:hover { border-color: #40E0FF; box-shadow: var(--shadow-sm); }
details.faq-item[open] { background: #151A21; border-color: #40E0FF; }
details.faq-item summary {
    padding: 18px 20px;
    font-weight: 600;
    color: #E9EEF5;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
details.faq-item summary::-webkit-details-marker { display: none; }
details.faq-item summary i { color: #40E0FF; transition: transform 0.3s; }
details.faq-item[open] summary i { transform: rotate(90deg); }
.faq-question-content { display: flex; align-items: center; gap: 12px; flex: 1; }
.faq-question-content i { color: #40E0FF; font-size: 1rem; }
.faq-answer { padding: 0 20px 20px 52px; color: #9AA5B5; font-size: 0.9rem; line-height: 1.6; }
.faq-answer a { color: #40E0FF; text-decoration: none; }
.faq-answer a:hover { text-decoration: underline; }

.troubleshooting-section { margin-bottom: 40px; }
.troubleshooting-section details.faq-item { background: rgba(255,82,82,0.05); border-left: 3px solid #FF5252; }
.troubleshooting-section details.faq-item[open] { background: rgba(255,82,82,0.1); }
.troubleshooting-section details.faq-item summary i { color: #FF5252; }
.troubleshooting-section .faq-question-content i { color: #FF5252; }

.category-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin: 40px 0;
}
@media (min-width: 640px) { .category-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .category-grid { grid-template-columns: repeat(3, 1fr); } }
.category-card {
    background: #1E2630;
    border-radius: var(--radius-lg);
    padding: 24px 20px;
    border: 1px solid var(--border);
    transition: var(--transition);
    text-decoration: none;
    color: #E9EEF5;
    display: block;
}
.category-card:hover { transform: translateY(-4px); border-color: #40E0FF; box-shadow: var(--shadow-lg); }
.category-icon {
    width: 56px;
    height: 56px;
    background: var(--cyan-gradient);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0B0D10;
    font-size: 1.5rem;
    margin-bottom: 16px;
}
.category-card h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 8px; color: #E9EEF5; }
.category-card p { color: #9AA5B5; font-size: 0.85rem; margin-bottom: 16px; line-height: 1.5; }
.category-link { color: #40E0FF; font-weight: 500; font-size: 0.85rem; display: flex; align-items: center; gap: 6px; transition: var(--transition); }
.category-card:hover .category-link { gap: 10px; }

.contact-options {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin: 40px 0;
}
@media (min-width: 640px) { .contact-options { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; } }
.contact-option {
    background: #1E2630;
    border-radius: var(--radius-lg);
    padding: 24px 20px;
    border: 1px solid var(--border);
    transition: var(--transition);
    text-decoration: none;
    color: #E9EEF5;
    display: flex;
    align-items: center;
    gap: 20px;
}
@media (min-width: 640px) { .contact-option { flex-direction: column; text-align: center; padding: 32px 20px; } }
.contact-option:hover { transform: translateY(-4px); border-color: #40E0FF; box-shadow: var(--shadow-md); }
.contact-option i { font-size: 2rem; color: #40E0FF; min-width: 40px; text-align: center; }
.whatsapp-wrapper { position: relative; }
.whatsapp-dot {
    position: absolute;
    bottom: 0;
    right: -2px;
    width: 12px;
    height: 12px;
    background: var(--status-online);
    border-radius: 50%;
    border: 2px solid #1E2630;
}
.contact-content { flex: 1; }
@media (min-width: 640px) { .contact-content { text-align: center; } }
.contact-content h3 { font-size: 1rem; font-weight: 600; margin-bottom: 4px; color: #E9EEF5; }
.contact-content p { color: #9AA5B5; font-size: 0.8rem; margin-bottom: 8px; }
.contact-badge {
    display: inline-block;
    padding: 4px 12px;
    background: #151A21;
    border-radius: 30px;
    font-size: 0.7rem;
    font-weight: 600;
    color: #40E0FF;
    border: 1px solid var(--border);
}
.whatsapp-status { display: flex; align-items: center; gap: 4px; margin-top: 4px; font-size: 0.7rem; justify-content: center; }

.helpful-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
    flex-wrap: wrap;
}
.helpful-link {
    color: #9AA5B5;
    text-decoration: none;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
    padding: 8px 16px;
    background: #1E2630;
    border-radius: 40px;
    border: 1px solid var(--border);
}
.helpful-link:hover { color: #40E0FF; border-color: #40E0FF; }
.helpful-link i { color: #40E0FF; font-size: 0.8rem; }

.seo-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    border: 0;
}

@media (max-width: 768px) {
    .header-container { padding: 10px 14px; }
    .brand-name { font-size: 1.1rem; }
    .logo-icon { width: 34px; height: 34px; font-size: 1rem; }
    .kofi-link, .mobile-menu-btn { width: 40px; height: 40px; }
    .auth-btn { padding: 0 14px; height: 40px; font-size: 0.75rem; }
    .user-profile { height: 40px; }
    .user-avatar { width: 32px; height: 32px; font-size: 0.8rem; }
    .tools-link { height: 40px; }
}

@media (max-width: 480px) {
    .header-container { padding: 8px 12px; gap: 4px; }
    .brand-name { font-size: 1rem; }
    .logo-icon { width: 32px; height: 32px; font-size: 0.9rem; }
    .slogan-badge { display: none; }
    .kofi-link, .mobile-menu-btn { width: 36px; height: 36px; }
    .auth-btn { padding: 0 10px; height: 36px; }
    .auth-btn span { display: none; }
    .tools-link { height: 36px; padding: 0 10px; font-size: 0.7rem; }
    .tools-link .link-text { display: none; }
    .back-link { width: 100%; justify-content: center; }
    .faq-item summary { padding: 14px 12px; }
    .faq-answer { padding: 0 16px 16px 44px; }
    .contact-option { padding: 20px 16px; }
}

@supports (padding: max(0px)) {
    .header-container, .container { padding-left: max(16px, env(safe-area-inset-left)); padding-right: max(16px, env(safe-area-inset-right)); }
}
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
    outline: 3px solid #40E0FF;
    outline-offset: 2px;
}